condition mean min max ZT0-3 208.1835 165.7425 250.6245 ZT4-7 65.6998 65.6998 65.6998 ZT8-11 132.4615 132.4615 132.4615 ZT12-15 0 0 0 ZT16-19 90.1155 90.1155 90.1155 ZT20-23 104.88735 104.88735 104.88735